题型：问答题 简答题 用方框中所给词的适当形式填空，是短文正确、通顺、连贯（每词限用一次）。 wonder, big, old, somebody, pleased, money, richer, take, many, receive, Many years ago there was a poor man. He had an 1_______ tree in his garden. On the tree there were many fine oranges. One day, he found one of his oranges much 2_______ than the others. It was as big as a football. 3_______ had ever seen such a big orange. The poor man took the orange to the King. The king was so 4_______ that he gave the poor man a lot of 5_______ for it. When a 6_______ man heard of it, he said to himself, "it's only an orange. Why has the king given him so much money for it? I will 7_______ my gold cup to the king. He will give 8_______ money to me." The next day when the king 9_______ the gold cup, he said to the rich man,"what a nice cup! I will show you something 10_______. Please take this great orange." 查看答案
题型：问答题 简答题 函数f（x）是R上的偶函数，且当x＞0时，函数的解析式为f（x）=2x-1（1）求f（-1）的值；（2）用定义证明f（x）在（0，+∞）上是减函数；（3）求当x＜0时，函数的解析式． 查看答案
题型：问答题 简答题 下列关于国内进出口包裹处理时限说法正确的有（）。A、一级邮区中心局当天收寄的出口包裹，应于次日8点以前全部处理完毕，交发计划车次B、一级邮区中心局处理当日20点以前到站的进口包裹，应于次日上午10点前投递C、省会二级邮区中心局当天收寄的出口包裹，应于次日6点以前全部处理完毕，赶发计划车次D、省会二级级邮区中心局处理当日20点以前到站的进口包裹，应于次日上午12点前投递 查看答案